1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 cr.define('print_preview', function() {
9 * Component that renders a destination item in a destination list.
10 * @param {!cr.EventTarget} eventTarget Event target to dispatch selection
12 * @param {!print_preview.PrintTicketStore} printTicketStore Contains the
13 * print ticket to print.
14 * @param {!Object} capability Capability to render.
16 * @extends {print_preview.Component}
18 function AdvancedSettingsItem(eventTarget, printTicketStore, capability) {
19 print_preview.Component.call(this);
22 * Event target to dispatch selection events to.
23 * @private {!cr.EventTarget}
25 this.eventTarget_ = eventTarget;
28 * Contains the print ticket to print.
29 * @private {!print_preview.PrintTicketStore}
31 this.printTicketStore_ = printTicketStore;
34 * Capability this component renders.
37 this.capability_ = capability;
40 * Value selected by user. {@code null}, if user has not changed the default
41 * value yet (still, the value can be the default one, if it is what user
45 this.selectedValue_ = null;
48 * Active filter query.
54 * Search hint for the control.
55 * @private {print_preview.SearchBubble}
57 this.searchBubble_ = null;
59 /** @private {!EventTracker} */
60 this.tracker_ = new EventTracker();
63 AdvancedSettingsItem.prototype = {
64 __proto__: print_preview.Component.prototype,
67 createDom: function() {
68 this.setElementInternal(this.cloneTemplateInternal(
69 'advanced-settings-item-template'));
72 this.select_, 'change', this.onSelectChange_.bind(this));
73 this.tracker_.add(this.text_, 'input', this.onTextInput_.bind(this));
75 this.initializeValue_();
77 this.renderCapability_();
81 * ID of the corresponding vendor capability.
85 return this.capability_.id;
89 * Currently selected value.
93 return this.selectedValue_ || '';
97 * Whether the corresponding ticket item was changed or not.
100 isModified: function() {
101 return !!this.selectedValue_;
104 /** @param {RegExp} query Query to update the filter with. */
105 updateSearchQuery: function(query) {
107 this.renderCapability_();
110 get searchBubbleShown() {
111 return getIsVisible(this.getElement()) && !!this.searchBubble_;
115 * @return {HTMLSelectElement} Select element.
119 return this.getChildElement(
120 '.advanced-settings-item-value-select-control');
124 * @return {HTMLSelectElement} Text element.
128 return this.getChildElement('.advanced-settings-item-value-text-control');
132 * Called when the select element value is changed.
135 onSelectChange_: function() {
136 this.selectedValue_ = this.select_.value;
140 * Called when the text element value is changed.
143 onTextInput_: function() {
144 this.selectedValue_ = this.text_.value || null;
147 var optionMatches = (this.selectedValue_ || '').match(this.query_);
148 // Even if there's no match anymore, keep the item visible to do not
149 // surprise user. Even if there's a match, do not show the bubble, user
150 // is already aware that this option is visible and matches the search.
151 // Showing the bubble will only create a distraction by moving UI
154 this.hideSearchBubble_();
159 * @param {!Object} entity Entity to get the display name for. Entity in
160 * is either a vendor capability or vendor capability option.
161 * @return {string} The entity display name.
164 getEntityDisplayName_: function(entity) {
165 var displayName = entity.display_name;
166 if (!displayName && entity.display_name_localized)
167 displayName = getStringForCurrentLocale(entity.display_name_localized);
168 return displayName || '';
172 * Renders capability properties according to the current state.
175 renderCapability_: function() {
176 var textContent = this.getEntityDisplayName_(this.capability_);
177 // Whether capability name matches the query.
178 var nameMatches = this.query_ ? !!textContent.match(this.query_) : true;
179 // An array of text segments of the capability value matching the query.
180 var optionMatches = null;
182 if (this.capability_.type == 'SELECT') {
183 // Look for the first option that matches the query.
184 for (var i = 0; i < this.select_.length && !optionMatches; i++)
185 optionMatches = this.select_.options[i].text.match(this.query_);
187 optionMatches = (this.text_.value || this.text_.placeholder || '')
191 var matches = nameMatches || !!optionMatches;
194 this.hideSearchBubble_();
196 setIsVisible(this.getElement(), matches);
200 var nameEl = this.getChildElement('.advanced-settings-item-label');
202 nameEl.textContent = '';
203 this.addTextWithHighlight_(nameEl, textContent);
205 nameEl.textContent = textContent;
207 nameEl.title = textContent;
210 this.showSearchBubble_(optionMatches[0]);
214 * Shows search bubble for this element.
215 * @param {string} text Text to show in the search bubble.
218 showSearchBubble_: function(text) {
220 this.capability_.type == 'SELECT' ? this.select_ : this.text_;
221 if (!this.searchBubble_) {
222 this.searchBubble_ = new print_preview.SearchBubble(text);
223 this.searchBubble_.attachTo(element);
225 this.searchBubble_.content = text;
230 * Hides search bubble associated with this element.
233 hideSearchBubble_: function() {
234 if (this.searchBubble_) {
235 this.searchBubble_.dispose();
236 this.searchBubble_ = null;
241 * Initializes the element's value control.
244 initializeValue_: function() {
245 this.selectedValue_ =
246 this.printTicketStore_.vendorItems.ticketItems[this.id] || null;
248 if (this.capability_.type == 'SELECT')
249 this.initializeSelectValue_();
251 this.initializeTextValue_();
255 * Initializes the select element.
258 initializeSelectValue_: function() {
260 this.getChildElement('.advanced-settings-item-value-select'), true);
261 var selectEl = this.select_;
262 var indexToSelect = 0;
263 this.capability_.select_cap.option.forEach(function(option, index) {
264 var item = document.createElement('option');
265 item.text = this.getEntityDisplayName_(option);
266 item.value = option.value;
267 if (option.is_default)
268 indexToSelect = index;
269 selectEl.appendChild(item);
271 for (var i = 0, option; option = selectEl.options[i]; i++) {
272 if (option.value == this.selectedValue_) {
277 selectEl.selectedIndex = indexToSelect;
281 * Initializes the text element.
284 initializeTextValue_: function() {
286 this.getChildElement('.advanced-settings-item-value-text'), true);
288 var defaultValue = null;
289 if (this.capability_.type == 'TYPED_VALUE' &&
290 this.capability_.typed_value_cap) {
291 defaultValue = this.capability_.typed_value_cap.default || null;
292 } else if (this.capability_.type == 'RANGE' &&
293 this.capability_.range_cap) {
294 defaultValue = this.capability_.range_cap.default || null;
297 this.text_.placeholder = defaultValue || '';
299 this.text_.value = this.selectedValue;
303 * Adds text to parent element wrapping search query matches in highlighted
305 * @param {!Element} parent Element to build the text in.
306 * @param {string} text The text string to highlight segments in.
309 addTextWithHighlight_: function(parent, text) {
310 text.split(this.query_).forEach(function(section, i) {
312 parent.appendChild(document.createTextNode(section));
314 var span = document.createElement('span');
315 span.className = 'advanced-settings-item-query-highlight';
316 span.textContent = section;
317 parent.appendChild(span);
325 AdvancedSettingsItem: AdvancedSettingsItem